EP 3894489 A4 20220824 - DRY ERASE INKS, AND ASSOCIATED METHODS AND WRITING INSTRUMENTS
Title (en)
DRY ERASE INKS, AND ASSOCIATED METHODS AND WRITING INSTRUMENTS
Title (de)
TROCKENLÖSCHTINTEN SOWIE ZUGEHÖRIGE VERFAHREN UND SCHREIBGERÄTE
Title (fr)
ENCRES EFFAÇABLES À SEC ET PROCÉDÉS ET INSTRUMENTS D'ÉCRITURE ASSOCIÉS
Publication
Application
Priority
- US 201862779541 P 20181214
- US 2019066179 W 20191213
Abstract (en)
[origin: WO2020123914A1] Dry erase ink formulations containing at least one colorant encapsulated in a plurality of capsules wherein the capsules comprise a release agent, methods of erasing dry erase ink formulations, and writing instruments including a writing tip portion connected to a tubular member or refill and a dry erase ink formulation are provided herein.
IPC 8 full level
C09D 11/17 (2014.01)
CPC (source: EP US)
B43K 1/01 (2013.01 - US); B43K 8/03 (2013.01 - US); C09D 11/17 (2013.01 - EP US)
Citation (search report)
- [X] KR 20010097797 A 20011108 - DONG A PENCIL CO LTD [KR]
- [X] WO 2013065653 A1 20130510 - PENTEL KK [JP]
- [X] EP 2468828 A1 20120627 - PILOT INK CO LTD [JP]
- [X] EP 3042942 A1 20160713 - MITSUBISHI PENCIL CO [JP]
- [X] JP 2005132884 A 20050526 - PILOT INK CO LTD
- [X] JP 2006022213 A 20060126 - PILOT INK CO LTD
- See references of WO 2020123914A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2020123914 A1 20200618; CA 3123081 A1 20200618; CN 113195653 A 20210730; EP 3894489 A1 20211020; EP 3894489 A4 20220824; US 2022064464 A1 20220303
DOCDB simple family (application)
US 2019066179 W 20191213; CA 3123081 A 20191213; CN 201980081757 A 20191213; EP 19897061 A 20191213; US 201917413159 A 20191213